Duplex Ball Bearing NSN 3110-01-287-2970

Item Description

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

NSN: 3110-01-287-2970

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Features and Characteristics

Overall Width

0.2500 inches

Bore Diameter

0.2500 inches

Overall Outside Diameter

0.3750 inches

Lubrication Material

Oil

Surface Finish

Ground

Shield Quantity

Load Direction

Radial

Standard Tolerance Designation

Abec no. 5p

Bearing Preload Rating

Between 1.75 pounds and 2.25 pounds

Special Features

Each bearing lubricated with one drop from no. 26 hypodermic needle of specified lubricant

Lubrication Material Specification

Code 7001 of 717806000, cagec 04939 mfr ref single material response

Material

Steel comp 440c outer ring

Material Specification

J1/30/tf/22, cagec 19959 mfr ref single material response retainer

Surface Treatment

Passivate shield

Surface Treatment Specification

Code 2402 of 717806000, cagec 04939 mfr ref single treatment response shield

Style Designator

92a non-loading groove, non-separable, tandem mounting

FSC

3110 Unmounted Antifriction Bearings

NIIN

012872970

NSN

3110012872970

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

P462

Cage Code:

40920

Status:

MSDS:

Part Number:

717512504-001

Cage Code:

04939

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8482105068
NAICS: 332991
SITC: 74610
Description: Ball bearings, nesoi
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 3110-01-287-2970

What are the manufacturers of nsn 3110012872970?

Mpb Corporation (40920)
Lockheed Martin Corporation (04939)

Does this nsn 3110012872970 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3110012872970
Two single row annular ball bearings selected dimensionally to be a matched pair or set. the ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. may include a single row angular contact bearing with faces specially ground for duplex mounting.

Does nsn 3110012872970 contain any precious metals?
No precious metal content.

Does nsn 3110012872970 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3110012872970?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

30213

FIIG:

A044A0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service